<template>
    <div class="register">
        <el-form ref="registerRef" :model="registerForm" :rules="registerRules" class="register-form">
            <h3 class="title">lacus</h3>
            <el-form-item prop="username">
                <el-input
                        v-model="registerForm.username"
                        link
                        type="primary"
                        size="large"
                        auto-complete="off"
                        placeholder="账号"
                >
                    <template #prefix>
                        <svg-icon icon-class="user" class="el-input__icon input-icon"/>
                    </template>
                </el-input>
            </el-form-item>
            <el-form-item prop="password">
                <el-input
                        v-model="registerForm.password"
                        type="password"
                        size="large"
                        auto-complete="off"
                        placeholder="密码"
                        @keyup.enter="handleRegister"
                >
                    <template #prefix>
                        <svg-icon icon-class="password" class="el-input__icon input-icon"/>
                    </template>
                </el-input>
            </el-form-item>
            <el-form-item prop="confirmPassword">
                <el-input
                        v-model="registerForm.confirmPassword"
                        type="password"
                        size="large"
                        auto-complete="off"
                        placeholder="确认密码"
                        @keyup.enter="handleRegister"
                >
                    <template #prefix>
                        <svg-icon icon-class="password" class="el-input__icon input-icon"/>
                    </template>
                </el-input>
            </el-form-item>
            <el-form-item prop="code" v-if="isCaptchaOn">
                <el-input
                        size="large"
                        v-model="registerForm.code"
                        auto-complete="off"
                        placeholder="验证码"
                        style="width: 63%"
                        @keyup.enter="handleRegister"
                >
                    <template #prefix>
                        <svg-icon icon-class="validCode" class="el-input__icon input-icon"/>
                    </template>
                </el-input>
                <div class="register-code">
                    <img :src="codeUrl" @click="getCode" class="register-code-img"/>
                </div>
            </el-form-item>
            <el-form-item style="width: 100%">
                <el-button :loading="loading" size="large" type="primary" style="width: 100%"
                           @click.prevent="handleRegister">
                    <span v-if="!loading">注 册</span>
                    <span v-else>注 册 中...</span>
                </el-button>
                <div style="float: right">
                    <router-link class="link-type" :to="'/login'">使用已有账户登录</router-link>
                </div>
            </el-form-item>
        </el-form>
        <!--  底部  -->
        <div class="el-register-footer">
            <span>Copyright © 2018-2022 Agileboot All Rights Reserved.</span>
        </div>
    </div>
</template>

<script setup>
import {ElMessageBox} from 'element-plus';
// import { getCodeImg, register } from '@/api/loginApi';
import * as loginApi from '@/api/loginApi';

const router = useRouter();
const {proxy} = getCurrentInstance();

const registerForm = ref({
    username: '',
    password: '',
    confirmPassword: '',
    code: '',
    uuid: '',
});

const equalToPassword = (rule, value, callback) => {
    if (registerForm.value.password !== value) {
        callback(new Error('两次输入的密码不一致'));
    } else {
        callback();
    }
};

const registerRules = {
    username: [
        {required: true, trigger: 'blur', message: '请输入您的账号'},
        {
            min: 2,
            max: 20,
            message: '用户账号长度必须介于 2 和 20 之间',
            trigger: 'blur',
        },
    ],
    password: [
        {required: true, trigger: 'blur', message: '请输入您的密码'},
        {
            min: 5,
            max: 20,
            message: '用户密码长度必须介于 5 和 20 之间',
            trigger: 'blur',
        },
    ],
    confirmPassword: [
        {required: true, trigger: 'blur', message: '请再次输入您的密码'},
        {required: true, validator: equalToPassword, trigger: 'blur'},
    ],
    code: [{required: true, trigger: 'change', message: '请输入验证码'}],
};

const codeUrl = ref('');
const loading = ref(false);
const isCaptchaOn = ref(true);

function handleRegister() {
    proxy.$refs.registerRef.validate((valid) => {
        if (valid) {
            loading.value = true;
            loginApi
                .register(registerForm.value)
                .then((res) => {
                    const {username} = registerForm.value;
                    ElMessageBox.alert(`<font color='red'>恭喜你，您的账号 ${username} 注册成功！</font>`, '系统提示', {
                        dangerouslyUseHTMLString: true,
                        type: 'success',
                    })
                        .then(() => {
                            router.push('/login');
                        })
                        .catch(() => {
                        });
                })
                .catch(() => {
                    loading.value = false;
                    if (isCaptchaOn) {
                        getCode();
                    }
                });
        }
    });
}

function getCode() {
    loginApi.getCodeImg().then((res) => {
        isCaptchaOn.value = res.isCaptchaOn === undefined ? true : res.isCaptchaOn;
        if (isCaptchaOn.value) {
            codeUrl.value = `data:image/gif;base64,${res.img}`;
            registerForm.value.uuid = res.uuid;
        }
    });
}

getCode();
</script>

<style lang="scss" scoped>
.register {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url('../assets/images/background.png');
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.register-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 40px;

    input {
      height: 40px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}

.register-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.register-code {
  width: 33%;
  height: 40px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-register-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.register-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
